He walked down the hall toward the testing labs.

So one of the best places to find out is to infiltrate the testing labs.

The testing lab was to provide a facility for the testing of building material before use.

A sample from an area of the body is collected in the container and delivered into the testing lab.

After collection, the sample is mailed to a testing lab.

It takes time and more samples to get precise results from the testing lab.

"He's down in the testing lab on Level 4."

In 2004, the company invested over $100,000 to build a testing lab inside one of its three buildings.

The company estimates there are about 2,000 environmental testing labs nationwide.

As a result, the water sample must be quickly delivered to the testing lab because radon's half life in only 3.82 days.